package com.gzs.learn.admin.common.core.controller;

import com.gzs.learn.admin.common.constant.HttpStatus;
import com.gzs.learn.admin.common.core.page.TableDataInfo;
import com.gzs.learn.admin.common.utils.DateUtils;
import com.gzs.learn.admin.common.utils.StringUtils;
import com.gzs.learn.common.AjaxResult;
import com.gzs.learn.inf.PageResponseDto;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;

import java.beans.PropertyEditorSupport;
import java.util.Date;
import java.util.List;

/**
 * web层通用数据处理
 *
 * @author guanzhisong
 */
public class BaseController {
    protected final Logger logger = LoggerFactory.getLogger(BaseController.class);

    /**
     * 将前台传递过来的日期格式的字符串，自动转化为Date类型
     */
    @InitBinder
    public void initBinder(WebDataBinder binder) {
        // Date 类型转换
        binder.registerCustomEditor(Date.class, new PropertyEditorSupport() {
            @Override
            public void setAsText(String text) {
                setValue(DateUtils.parseDate(text));
            }
        });
    }

    /**
     * 设置请求分页数据
     */
    protected void startPage() {
        // PageDomain pageDomain = PageUtil.buildPageRequest();
        // Integer pageNum = pageDomain.getPageNum();
        // Integer pageSize = pageDomain.getPageSize();
        // if (StringUtils.isNotNull(pageNum) && StringUtils.isNotNull(pageSize)) {
        // String orderBy = SqlUtil.escapeOrderBySql(pageDomain.getOrderBy());
        // PageHelper.startPage(pageNum, pageSize, orderBy);
        // }
    }

    /**
     * 响应请求分页数据
     */
    protected TableDataInfo getDataTable(List<?> list) {
        TableDataInfo rspData = new TableDataInfo();
        rspData.setCode(HttpStatus.SUCCESS);
        rspData.setMsg("查询成功");
        rspData.setRows(list);
        rspData.setTotal(list.size());
        return rspData;
    }

    protected TableDataInfo getDataTable(PageResponseDto<?> pageResponseDto) {
        TableDataInfo rspData = new TableDataInfo();
        if (pageResponseDto == null) {
            rspData.setCode(-1);
            rspData.setMsg("internal server error");
            rspData.setRows(null);
            rspData.setTotal(0);
            return rspData;
        }
        if (pageResponseDto.isSuccess()) {
            rspData.setCode(HttpStatus.SUCCESS);
            rspData.setMsg(pageResponseDto.getMsg());
            rspData.setRows(pageResponseDto.getData());
            rspData.setTotal(pageResponseDto.getPage().getTotal());
        } else {
            rspData.setCode(pageResponseDto.getCode());
            rspData.setMsg(pageResponseDto.getMsg());
            rspData.setRows(null);
            rspData.setTotal(0);
        }
        return rspData;
    }

    /**
     * 响应返回结果
     *
     * @param rows 影响行数
     * @return 操作结果
     */
    protected AjaxResult toAjax(int rows) {
        return rows > 0 ? AjaxResult.success() : AjaxResult.error();
    }

    /**
     * 页面跳转
     */
    public String redirect(String url) {
        return StringUtils.format("redirect:{}", url);
    }
}
